Joachim Ernst, Margrave of Brandenburg-Ansbach was a German nobleman. He ruled as margrave of Brandenburg-Ansbach from 1603 to 1625, succeeding his cousin George Frederick and succeeded by his son Frederick III.
- Occupation
- ruler, politician
- Citizenship
- Germany
- Born
- June 22, 1583, 1583
- Died
- March 7, 1625, 1625